28966508 has 6 divisors (see below), whose sum is σ = 50691396. Its totient is φ = 14483252.

The previous prime is 28966471. The next prime is 28966517. The reversal of 28966508 is 80566982.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3620810 + ... + 3620817.

It is an arithmetic number, because the mean of its divisors is an integer number (8448566).

Almost surely, 2^28966508 is an apocalyptic number.

It is an amenable number.

28966508 is a deficient number, since it is larger than the sum of its proper divisors (21724888).

28966508 is a wasteful number, since it uses less digits than its factorization.

28966508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241631 (or 7241629 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 28966508 is about 5382.0542546504. The cubic root of 28966508 is about 307.1133634045.

The spelling of 28966508 in words is "twenty-eight million, nine hundred sixty-six thousand, five hundred eight".